How do I add files to Gitignore Intellij?

Related questions

1. Why is Gitignore useful?
2. What does git rm cached do?
3. Why do we commit in git?
4. What is the advantage of git?
5. Should Gitignore be added to repository?
6. Should Gitignore be tracked?
7. What is a Gitignore?
8. What should be in Gitignore?
9. Should I commit package lock JSON?
10. How do I undo a git add?

Tags

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2. #displayed
3. #without
4. #project
5. #folder
6. #choose
7. #eclipse
8. #right
9. #shortcut
10. #option
11. #keyboard
12. #intellij
13. #typos
14. #gitignore
15. #there
16. #quickest
17. #click